/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package za.ac.cput.peterjohn.DesignPatternPrincipals.Behavioral.Observer.Model;

import za.ac.cput.peterjohn.DesignPatternPrincipals.Behavioral.Observer.Model.WeatherObserver;

/**
 *
 * @author PJ
 */
public interface WeatherSubject 
{
    public String addObserver(WeatherObserver weatherObserver);
    
    public String removeObserver(WeatherObserver weatherObserver);
    
    public String doNotify();
}
